John Louis Mansi is a television and movie actor whose career spanned the years from the early 1950s to the early 1990s.
He is best known for his role as Herr Engelbert von Smallhausen (although in the BBC books he is named as Bobby Cedric von Smallhausen) in the popular BBC sitcom 'Allo 'Allo! in seasons 2 to 9. He also appeared in Department S (as "Maxime" in the episode "The Treasure of the Costa del Sol", 1969), the Ripping Yarns story "Across The Andes By Frog", The Hammer House of Horror story "The Thirteenth Reunion", The Beatles' movie Help!, the original version of The Italian Job and the film version of Tales from the Crypt.
He was often credited as Louis Mansi in his roles.